Colias hyale Linnaeus, 1758 ♂
Common names: Pale Clouded Yellow [En], Soufré [Fr], Gele luzernevlinder [Nl], Goldene Acht, Gemeine Heufalter [De], Orman Azameti [Tu]
Puivert, AUDE ● France
Description: Male is light yellow with dark grey or black drawing, 21-25mm. Female is white with a yellow-green touch. It is notoriously difficult to separate this species from Berger's Clouded Yellow (Colias alfacariensis).
Biology : Flight period: April-September in two to three generations. Pupae hibernate. Sometimes migrations can be observed. Host plants are various Fabaceae: Vicia, Coronilla, Medicago, Lotus, Cytisus, Trifolium, etc.
Habitat: Meadows and forest edges up to 2,700 m a.s.l. in the forest and forest-steppe zones.
Distribution: Temperate Europe and Siberia to Transbaikalia, central Yakutia, Mongolia and NW. China. Absent from Italy, Greece and Western Balkans.
Guide to the Butterflies of Russia and adjacent territories Volume 1. PENSOFT, Sofia - Moscow. 1997